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The description is highly suggestive of muscle pain
– spasm, sprain
You have not stated your personal habits, family history, or co-morbidities, even age or gender...which could influence the diagnosis and outcome...
See an Internist / get yourself examined / at times, basic investigation may be necessary...
Over The Counter (OTC) Non Steroidal Anti Inflammatory Drugs (NSAID
) / muscle relaxants / anxiolytics will be useful in the meanwhile...
The treating doctor alone can suggest further based on his assessment of the situation.
Wishing speedy recovery